Finding the Fourth Proportional to 55,443.12, 83,185.32 and 33,272.40

Step by Step Solution

1. Step 1: Write the proportion equation
   55,443.12 : 83,185.32 = 33,272.40 : x
2. Step 2: Convert to fraction form
   55,443.12/83,185.32 = 33,272.40/x
3. Step 3: Cross multiply
   55,443.12x = 83,185.32 × 33,272.40
4. Step 4: Simplify right side
   55,443.12x = 2,767,775,241.17
5. Step 5: Solve for x
   x = 2,767,775,241.17/55,443.12
6. Step 6: Final answer
   x = 49,920.99